TPA3110 2 x 30W Digital Stereo Audio Amplifier Board With Bluetooth

The TPA3110 chip on board this amplifier module provides a high output, lower power consumption audio solution with great audio quality too. The compact module measures just 53mm x 45mm with a rotary volume knob. It''s an ideal module for integrating into your own small audio projects. 

External Audio Input Switch: The external audio can be input by the interface of the original Bluetooth module, which is divided into L (left sound Channel), R (Right sound channel) and GND common terminal. It can be controlled by mobile phone or add four external buttons for external control.